bag speaker,,,70mm,2inch speaker,, 2.25inch speake,,,,,Pillow speaker,mp3 speaker,mp4 speaker High quality sound. SPL:80-90dBpillow speaker,mp3 speaker,toy speakerOuter dia. 60*14mmspeaker dia.40mmRated Power:0.1WMax power:0.6WFrequence:500-20KHZSPL:88-90dBDistortion:less than 5%Impedance:8/16OHM@1khzAudio cable interface:3.5mmHousing:ABS mini pillow speaker